I use it most of the time. Sometimes I'll find one I missed. When that happens I sometimes get lazy and just quote the one I missed, though these days more and more I'll quote it, edit it and add my comment, then copy the whole thing and use the Edit button to paste it into my original post along with the others.
I do miss the old "quote-within-a-quote" function, but I also understand Neal's reason for removing it.